Watch List notes:

Potosi, Bolivia, cob 2 reales, (1649) O/Z, undotted O, rare, ex-Mastalir (Plate Coin). S-P35; KM-14b; Cal-unl. 4.31 grams. Fine with dark encrusted fields and some old scratches, nearly complete shield and full cross, denomination as small z to right. Pedigreed to the Robert Mastalir Collection and plated on page 245 of Part A of his book The Great Transition at the Potosi Mint, 1649-1652: The 1649-1652 Crowned Shield Coinage and the Countermarks of 1652 (2021).

Estimate: $175 - $250